Dr Debmalya Sain

vidwan id: 384759

Male

Assistant Professor, Department of Mathematics
Indian Institute of Information Technology, Raichur

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Expertise

Mathematics

Publications

Total Articles 93

Books 0

Proceedings 0

Publications

Scopus

Citations 866

h-index 17

CrossRef

Citations 523

h-index 13

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Bio

My primary area of research is geometry of Banach spaces, with emphasis on Birkhoff-James orthogonality techniques.

Personal Details

Male
Assistant Professor , Indian Institute of Information Technology, Raichur
Department of Mathematics, Indian Institute of Information Technology, Raichur

Ph.D

Jadavpur University 2015

Assistant Professor Dec 2022 – Present

Indian Institute of Information Technology, Raichur | Department of Mathematics

Post-Doctoral Research Scientist Jan 2021 – Dec 2022

Indian Institute of Science Bangalore | Mathematics

Post-Doctoral Research Scientist Apr 2017 – Apr 2020

Indian Institute of Science Bangalore | Mathematics

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Co-Authors (6)

Dr Arpita Mal

Dhirubhai Ambani Institute of Information & Communication Technology (DAIICT), Gandhinagar

Dr Arup Chattopadhyay

Indian Institute of Technology Guwahati

Dr Divya Khurana

Indian Institute of Management Ranchi

Dr Kallol Paul

Jadavpur University

Dr Satya Bagchi

National Institute of Technology Durgapur

Prof T S S R K Rao

Indian Statistical Institute, Kolkata

Scholarly Work

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Scholarly Publications

On norm derivatives and the ball-covering property of Banach spaces

Open Access

Article

Journal of Mathematical Analysis and Applications. Year: 2025. Volume: 541 , Issue: 1 .

Authors: Sain D.

10.1016/j.jmaa.2024.128738

On symmetric functions and symmetric operators on Banach spaces

Open Access

Article

Year: 2025. Volume: 119 , Issue: 3 .

Authors: Paul K.;Sain D.;Sohel S.

10.1007/s13398-025-01734-z

Orthogonality induced by norm derivatives: a new geometric constant and symmetry

Open Access

Article

Aequationes Mathematicae. Year: 2025. Volume: 99 , Issue: 3 , Pages: 883-904 .

Authors: Ghosh S.;Paul K.;Sain D.

10.1007/s00010-025-01154-9

Smoothness and approximate smoothness in normed linear spaces and operator spaces

Open Access

Article

Annals of Functional Analysis. Year: 2025. Volume: 16 , Issue: 2 .

Authors: Chmieliński J.;Ghosh S.;Paul K.;Sain D.

10.1007/s43034-025-00413-9

On directional preservation of orthogonality and its application to isometries

Open Access

Article

Bulletin des Sciences Mathématiques. Year: 2025. Volume: 199 .

Authors: Manna J.;Mandal K.;Paul K.;Sain D.

10.1016/j.bulsci.2025.103575

ON THE BANACH–MAZUR DISTANCE FROM ℓn1

Open Access

Article

Colloquium Mathematicum. Year: 2025. Volume: 177 , Pages: 161-173 .

Authors: Mishra A.;Sain D.

10.4064/cm9521-1-2025

On the (m, n)-clock problem and the ℓ∞-ℓ1 norm of a matrix

Open Access

Article

Advances in Operator Theory. Year: 2025. Volume: 10 , Issue: 1 .

Authors: Chattopadhyay C.;Mandal K.;Sain D.

10.1007/s43036-024-00401-1

On the best coapproximation problem in (Formula Presented.)

Open Access

Article

Linear and Multilinear Algebra. Year: 2024. Volume: 72 , Issue: 1 , Pages: 31-49 .

Authors: Sain D.;Sohel S.;Ghosh S.;Paul K.

10.1080/03081087.2022.2153101